38421880226 has 32 divisors (see below), whose sum is σ = 58848839280. Its totient is φ = 18810372096.

The previous prime is 38421880223. The next prime is 38421880241. The reversal of 38421880226 is 62208812483.

It is a Cunningham number, because it is equal to 196015²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 26779686025 + 11642194201 = 163645^2 + 107899^2 .

It is a super-2 number, since 2×38421880226² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38421880223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25733936 + ... + 25735428.

Almost surely, 2^38421880226 is an apocalyptic number.

38421880226 is a deficient number, since it is larger than the sum of its proper divisors (20426959054).

38421880226 is a wasteful number, since it uses less digits than its factorization.

38421880226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 38421880226 in words is "thirty-eight billion, four hundred twenty-one million, eight hundred eighty thousand, two hundred twenty-six".